Harpalus texanus should be kept in mind on the immediate coast. It is currently known from "North Carolina to southern Florida, west to eastern Texas" and can only be separated from this species by dissection (BugGuide, 2018).
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A Pennsylvania Dingy Ground Beetle in Cecil Co., Maryland (8/24/2015). Determined by Peter W. Messer and V. Belov via BugGuide.
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Shannon Schade.
A Pennsylvania Dingy Ground Beetle in Cecil Co., Maryland (8/2/2022). Verified by Peter W. Messer/BugGuide.
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Dave Webb.
Pennsylvania Dingy Ground Beetle in Anne Arundel Co., Maryland (7/2/2017). (c) Bill Hubick, all rights reserved.
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Bill Hubick.
A Pennsylvania Dingy Ground Beetle collected in Anne Arundel Co., Maryland (9/12/2017). Determined by Curt Harden and Blaine Mathison via BugGuide.
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Bill Hubick.
A Pennsylvania Dingy Ground Beetle collected in Anne Arundel Co., Maryland (9/12/2017). Determined by Curt Harden and Blaine Mathison via BugGuide.
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Media by
Bill Hubick.
A Pennsylvania Dingy Ground Beetle in Dorchester Co., Maryland (8/28/2019). Determined by Curt Harden/BugGuide.
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Mark Etheridge.
Pennsylvania Dingy Ground Beetle in Anne Arundel Co., Maryland (7/2/2017). (c) Bill Hubick, all rights reserved.
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Bill Hubick.
A Pennsylvania Dingy Ground Beetle collected in Anne Arundel Co., Maryland (9/12/2017). Determined by Curt Harden and Blaine Mathison via BugGuide.
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Media by
Bill Hubick.
A Pennsylvania Dingy Ground Beetle collected in Anne Arundel Co., Maryland (9/12/2017). Determined by Curt Harden and Blaine Mathison via BugGuide.
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Media by
Bill Hubick.
Pennsylvania Dingy Ground Beetle in Anne Arundel Co., Maryland (7/2/2017). (c) Bill Hubick, all rights reserved.
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Bill Hubick.
A Pennsylvania Dingy Ground Beetle found on Assateague Island in Worcester Co., Maryland (9/22/2018). Determined by Curt Harden.
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Bill Hubick.
Harpalus pensylvanicus is a species of ground beetle in the subfamily Harpalinae.[1] It is found throughout North America. It was described by Degeer in 1774.[1]
The adults of the species are shiny black on the top, reddish brown underneath, and the elytra have lines. The larvae are black with a reddish head and the body is tapered with two long cerci. The species' food includes the seeds of ragweed and assorted grasses. They are important weed seed predators. They prefer small seeds such as lamb's quarter and waterhemp seeds.[2] They favor high hayfields opposed to low maize fields.[3] The species occasionally damages ripeningstrawberries which is probably how it gets water. It is attracted to lights. The common name of the species is Pennsylvania ground beetle.[4]